Finding the Fourth Proportional to 846,648.02, 1,269,349.95 and 425,499.86

Step by Step Solution

1. Step 1: Write the proportion equation
   846,648.02 : 1,269,349.95 = 425,499.86 : x
2. Step 2: Convert to fraction form
   846,648.02/1,269,349.95 = 425,499.86/x
3. Step 3: Cross multiply
   846,648.02x = 1,269,349.95 × 425,499.86
4. Step 4: Simplify right side
   846,648.02x = 540,108,226,016.01
5. Step 5: Solve for x
   x = 540,108,226,016.01/846,648.02
6. Step 6: Final answer
   x = 637,937.15